国际标准视力表对数视力表屈光度E字的净大小mm
0.1000201884.0999.798165372.7074256
0.1259154144.1794.183942657.75472682
0.1585149154.2630.855463145.87713625
0.1995544264.3501.116421636.44224025
0.2512190674.4398.058957528.94768468
0.3162596844.5316.195851522.99442742
0.3981393164.6251.168362518.26549164
0.5012175854.7199.514149214.5090886
0.6309828174.8158.48292111.52521138
0.7943442694.9125.899.154985603
15.01007.272210345
1.25895.179.434426885.776638609
1.584829215.263.098281744.588639772
1.9951414925.350.121758473.644959704
2.5116836255.439.813931582.895352851
3.1619585155.531.625968372.299906944
3.9805895755.625.121906721.826917899
5.0111642165.719.955442631.451201763
6.3085546315.815.851491481.152753803
数学 e的大小e=2.718281828459
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